K&N KN-171C Motorcycle Oil Filter – High-Flow, Wrench-Off Nut, Harley-Davidson Fit

Premium filtration for powersport engines

Meet the K&N KN-171C Motorcycle Oil Filter, built for riders who demand strong oil flow and clean lubrication. It uses a synthetic-blend filtration media compatible with synthetic, conventional, and blended oils, including high-concentration synthetic racing oils. The heavy-duty canister protects the filter under demanding rides, and a 17mm welded hex nut enables quick wrench-off removal when service is needed.

Engineered to withstand the service intervals manufacturers recommend, this filter balances performance with reliability. It blends efficient filtration with a durable housing to support consistent lubrication across miles and seasons.

• High flow rates designed to keep a steady oil supply to your engine
• Synthetic-blend filtration media helps remove contaminants while staying compatible with various oils
• Lab-tested for capacity and burst strength to support reliable performance
• Works with synthetic, conventional, and blended motor oils
• Wrench-Off removal makes servicing quick and simple
• Heavy-duty canister construction delivers lasting durability
• 1-Year Limited Warranty for peace of mind

Harley-Davidson compatibility and fit

The KN-171C is designed to fit a broad selection of Harley-Davidson motorcycles from 2009 through 2020, including Road King, Street Glide, Heritage Classic, Ultra Limited, Road Glide variants, and related models. Always verify your exact year and model to ensure proper fitment when upgrading.

What riders can expect

Riders often appreciate easier maintenance thanks to the wrench-off nut and the sturdy canister. The filtration media and durable housing help maintain a clean oil environment for riding across different terrains and seasons.

• Durable build supports long rides
• Easy service with a wrench-off design

Warranty: 1-Year Limited Warranty.